/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Returns a class name for the specified class that has no automatic suffixes, but is otherwise unmodified. Class can be nullptr.
static [FString](API\Runtime\Core\Containers\FString) GetClassNameWithoutSuffix ( const [UClass](API\Runtime\CoreUObject\UObject\UClass) * Class )